Ambrose Bierce 
Courage in the Face of the Enemy — Tales of Bravery and Horror from the American Civil War 

Ambrose Bierce enlisted in the Union Army at the outbreak of the American Civil War and fought with distinction for 4 years, even earning recognition of his bravery in the newspapers of the day for a daring rescue attempt of gravely wounded comrade. His wartime experiences greatly effected his later writing. Here is a collection of the short stories Bierce penned on the topic of war, death, loss and betrayal.